R5321D
OPERATION
VDD 1
CE1 2
R5324DxxxA
Error Amp.
Vref
Current Limit
R1_1
R2_1
8 VOUT1
7 N.C.
CE2 3
N.C. 4
Error Amp.
Vref Current Limit
R1_2
R2_2
6 VOUT2
5 GND
Fluctuation of each regulator’s output voltage, or VOUT1, VOUT2 is detected individually and put back to an error
amplifier through feedback resistors, or R1_1, R2_1, R1_2, R2_2 and compared with a reference voltage and
compensated for the result and make a constant voltage.
In each regulator, short protection is made by a current limit circuit and stand-by mode is available by a chip
enable circuit.
6